Interface MutationObserverInit
interface MutationObserverInit {
attributeFilter?: string[];
attributeOldValue?: boolean;
attributes?: boolean;
characterData?: boolean;
characterDataOldValue?: boolean;
childList?: boolean;
subtree?: boolean;
}
attributeFilter?: string[];
attributeOldValue?: boolean;
attributes?: boolean;
characterData?: boolean;
characterDataOldValue?: boolean;
childList?: boolean;
subtree?: boolean;
}
Properties
OptionalattributeFilter
attributeFilter?: string[]
OptionalattributeOldValue
attributeOldValue?: boolean
Set to true if attributes is true or omitted and target's attribute value before the mutation needs to be recorded.
Optionalattributes
attributes?: boolean
Set to true if mutations to target's attributes are to be observed. Can be omitted if attributeOldValue or attributeFilter is specified.
OptionalcharacterData
characterData?: boolean
Set to true if mutations to target's data are to be observed. Can be omitted if characterDataOldValue is specified.
OptionalcharacterDataOldValue
characterDataOldValue?: boolean
Set to true if characterData is set to true or omitted and target's data before the mutation needs to be recorded.
OptionalchildList
childList?: boolean
Set to true if mutations to target's children are to be observed.
Optionalsubtree
subtree?: boolean
Set to true if mutations to not just target, but also target's descendants are to be observed.
Set to a list of attribute local names (without namespace) if not all attribute mutations need to be observed and attributes is true or omitted.